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Odd behavior when Java converts int to byte?
...+ unsignedByte);
Would print out: "Signed: -1 Unsigned: 255"
What's actually happening here?
We are using bitwise AND to mask all of the extraneous sign bits (the 1's to the left of the least significant 8 bits.)
When an int is converted into a byte, Java chops-off the left-most 24 bits
111111...
Java: Detect duplicates in ArrayList?
...ole collection into a Set (using the Set(Collection) constructor or Set.addAll), then see if the Set has the same size as the ArrayList.
List<Integer> list = ...;
Set<Integer> set = new HashSet<Integer>(list);
if(set.size() < list.size()){
/* There are duplicates */
}
Up...
Java 8: Lambda-Streams, Filter by Method with Exception
I have a problem trying out the Lambda expressions of Java 8.
Usually it works fine, but now I have methods that throw IOException 's.
It's best if you look at the following code:
...
Git Blame Commit Statistics
... path or modify your path and use it like
git authors '*/*.c' # look for all files recursively ending in .c
git authors '*/*.[ch]' # look for all files recursively ending in .c or .h
git authors 'Makefile' # just count lines of authors in the Makefile
Original Answer
While the accepted answer d...
Static method in a generic class?
...stance fields. For static fields and static methods, they are shared among all instances of the class, even instances of different type parameters, so obviously they cannot depend on a particular type parameter.
It doesn't seem like your problem should require using the class's type parameter. If y...
How to sort a file, based on its numerical values for a field?
...
Thank you all, folks! This is wired, because I looked over its man page back and forth several times and I didnt see that option. Ah, I was at a simplified man page. Damn!
– lukmac
Jan 31 '11 at 2...
Move window between tmux clients
...000/svg\"\u003e\u003cpath d=\"M46.1709 9.17788C46.1709 8.26454 46.2665 7.94324 47.1084 7.58816C47.4091 7.46349 47.7169 7.36433 48.0099 7.26993C48.9099 6.97997 49.672 6.73443 49.672 5.93063C49.672 5.22043 48.9832 4.61182 48.1414 4.61182C47.4335 4.61182 46.7256 4.91628 46.0943 5.50789C45.7307 4.9328 4...
Convert dmesg timestamp to custom date format
...kernel.org/pub/linux/utils/util-linux/v2.20/…
– ks1322
Apr 2 '14 at 8:04
1
...
Get the length of a String
...Before Swift 2.0, count was a global function. As of Swift 2.0, it can be called as a member function.
test1.characters.count
It will return the actual number of Unicode characters in a String, so it's the most correct alternative in the sense that, if you'd print the string and count characters ...
Get event listeners attached to node using addEventListener
...
You can't.
The only way to get a list of all event listeners attached to a node is to intercept the listener attachment call.
DOM4 addEventListener
Says
Append an event listener to the associated list of event listeners with type set to type, listener set to ...